quiz-03-histo.txt, cr 30 jan 2015 by rha and ht on pro

scoring: one point for each correct answer (max = 7)
histogram:

7	(0)

6	(0)

5	(0)

4	**** (4)

3	********** (10)

2	******** (8)

1	*** (3)

0	---- (0)

number = 25
median = 2.7
average = 2.6

end